Home / 1,289,136,379.21-1,932,912,663.89-501,271,666.15

Finding the Fourth Proportional to 1,289,136,379.21, 1,932,912,663.89 and 501,271,666.15

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Solution

The fourth proportional to 1,289,136,379.21, 1,932,912,663.89 and 501,271,666.15 is: 751,599,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,136,379.21 : 1,932,912,663.89 = 501,271,666.15 : x
  2. Step 2: Convert to fraction form
    1,289,136,379.21/1,932,912,663.89 = 501,271,666.15/x
  3. Step 3: Cross multiply
    1,289,136,379.21x = 1,932,912,663.89 × 501,271,666.15
  4. Step 4: Simplify right side
    1,289,136,379.21x = 968,914,351,550,575,232
  5. Step 5: Solve for x
    x = 968,914,351,550,575,232/1,289,136,379.21
  6. Step 6: Final answer
    x = 751,599,572.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.